diff options
| author | Rob Herring <robh@kernel.org> | 2020-04-17 16:20:45 -0500 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-04-27 11:33:44 +0200 |
| commit | bfed0eded1ce00bda5cc2d2939b017f88e6b1fd0 (patch) | |
| tree | 1d0c75c1b89ebfd0b5cdd36b56227d295f26596b /drivers/clocksource | |
| parent | 25259f7a5de2de9d67793dc584b15c83a3134c93 (diff) | |
clocksource/drivers/versatile: Allow CONFIG_CLKSRC_VERSATILE to be disabled
The timer-versatile driver provides a sched_clock for certain Arm Ltd.
reference platforms. Specifically, it is used on Versatile and 32-bit
VExpress. It is not needed for those platforms with an arch timer (all
the 64-bit ones) yet CONFIG_MFD_VEXPRESS_SYSREG does still need to be
enabled. In that case, the timer-versatile can only be disabled when
COMPILE_TEST is enabled which is not desirable. Let's use the sub-arch
kconfig symbols instead.
Realview platforms don't have the sysregs that this driver uses so
correct the help text.
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200417212045.16917-1-robh@kernel.org
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/Kconfig | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index f225c27b70f7..9c2d72b33e89 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -562,12 +562,11 @@ config CLKSRC_VERSATILE bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET select TIMER_OF - default y if MFD_VEXPRESS_SYSREG + default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM help This option enables clock source based on free running counter available in the "System Registers" block of - ARM Versatile, RealView and Versatile Express reference - platforms. + ARM Versatile and Versatile Express reference platforms. config CLKSRC_MIPS_GIC bool |